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LibJS: Generate bytecode for array expressions

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This commit is contained in:
Gunnar Beutner 2021-06-08 23:06:52 +02:00 • committed by Andreas Kling
parent b8a5ea1f8d
commit a1e5711a27
6 changed files with 71 additions and 0 deletions
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26
Userland/Libraries/LibJS/Bytecode/Op.cpp
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@ -8,6 +8,7 @@
#include <LibJS/AST.h>
#include <LibJS/Bytecode/Interpreter.h>
#include <LibJS/Bytecode/Op.h>
#include <LibJS/Runtime/Array.h>
#include <LibJS/Runtime/BigInt.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/ScriptFunction.h>
@ -125,6 +126,15 @@ void NewBigInt::execute(Bytecode::Interpreter& interpreter) const
interpreter.accumulator() = js_bigint(interpreter.vm().heap(), m_bigint);
}
void NewArray::execute(Bytecode::Interpreter& interpreter) const
{
Vector<Value> elements;
elements.ensure_capacity(m_element_count);
for (size_t i = 0; i < m_element_count; i++)
elements.append(interpreter.reg(m_elements[i]));
interpreter.accumulator() = Array::create_from(interpreter.global_object(), elements);
}
void NewString::execute(Bytecode::Interpreter& interpreter) const
{
interpreter.accumulator() = js_string(interpreter.vm(), m_string);
@ -258,6 +268,22 @@ String NewBigInt::to_string() const
return String::formatted("NewBigInt bigint:\"{}\"", m_bigint.to_base10());
}
String NewArray::to_string() const
{
StringBuilder builder;
builder.append("NewArray");
if (m_element_count != 0) {
builder.append(", elements:[");
for (size_t i = 0; i < m_element_count; ++i) {
builder.appendff("{}", m_elements[i]);
if (i != m_element_count - 1)
builder.append(',');
}
builder.append(']');
}
return builder.to_string();
}
String NewString::to_string() const
{
return String::formatted("NewString string:\"{}\"", m_string);